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Chapter 21
n/a
23
Chemistry
Undergraduate 2
10/25/2013

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Term
aldehydes and ketones: reactivity
Definition
more R groups/steric hindrance --> less reactivity
Term
ketone and aldehyde IR and NMR absorptions
Definition
same as carboxylic acids except sp2 H of CHO in IR; 2700-2830/cm
Term
nucleophilic addition vs. acid-catalyzed nucleophilic addition
Definition

in acid-catalyzed, protonation first.

otherwise, nucleophilic attack first.

Term
The ___ stable, the ____ water will add
Definition
less; more (or vice versa)
Term
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Definition
PCC
Term
Ketone: general reaction at the alpha carbon
Definition
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Definition

1. Nuc. attack

2. Dehydrate (+iminium ion)

Term
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Definition
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Definition
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Term
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Definition

1. protonation of carbonyl oxygen

2. inermolecular nuc. attack

3. deprotonation

Term
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Definition
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Definition

NaCN

HCl

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Term
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Definition

H2O

H+/-OH

Term
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Definition
H+
Term
Synthesize Wittig reagents
Definition
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Term

Name reagents:

1. hydrolysis of nitriles

2. " of imines/enamines

3. " of acetals

Definition
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